﻿using System;
using System.Collections.Generic;
using System.Text;

namespace DisinfectClassRoom
{
  public  class Receiver
    {
        public void DisinfectClassroom()
        {
            Console.WriteLine("消毒教室");
        }
        public void SingSong(string name)
        {
            Console.WriteLine($"唱首{name}");
        }
    }
}
